Washington Lithic Material
Name | Natural | Non-heat treated points | Heat treated points | Color details | Primary found in: | Associated Formation / Member |
Addy Quartzite |
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Ranges from a grayish white to a yellowish gray or yellowish brown. | Northeastern Washington | Addy Quartzite Formation | |
Adna Carnelian AKA: Salmon River Carnelian |
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Ranges from a salmon pink to a deep red | Southwestern Washington | ||
Agate Jasper |
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Ranges from yellow to brown or green. Part if the material will be banded and be translucent while the remaining material will be mottled and opaque. | Washington | ||
Agnes Creek Obsidian |
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Black | North central Washington | ||
Andesite Generic Type |
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Washington | Varies | ||
Basalt |
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Ranges from black to gray | Washington | Volcanic | |
Bickleton Ridge Obsidian |
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Black | South central Washington | ||
Briggs Jasper AKA: China Hollow Jasper, Dolphite Jasper |
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Primarily brown with light to dark brown, yellow, tan, blue, or grayish brown "landscaping" patterns or lines bands and arcs. | South central Washington | John Day Formation | |
Brown's Ranch Petrified Wood |
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Colors of brown to reddish brown and tan with quartz and bluish chalcedony inclusions. | Washington | ||
Cataldo Quartzite |
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Lilac color when freshly fractures and oxidizes to a light gray. | East central Washington | Cataldo Member of the Belt Series | |
Carnelian Generic Type |
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Translucent and varies in shades from reddish brown to reddish orange. | Washington | Varies | |
Chehalis Wood |
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Southwestern Washington | |||
Chelan Butte Obsidian |
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Greenish / bluish gray with abundant
phenocrysts |
Central Washington | ||
Chewelah Argillite |
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Ranges from a silver white to shades of red and gray. | Northeastern Washington | Chewelah Formation | |
Chuckanut Sandstone AKA: Huntingdon Sandston |
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Golden tan | Northwestern Washington | Chuckanut Formation, Huntingdon Formation (British Columbia) | |
Copper Ridge Obsidian |
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Black | Northwestern Washington | ||
Dacite Generic Type |
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Most commonly a light to dark gray or black | Washington | Varies |
Deep Lake Argillite |
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light to dark colored with interbedded bluish gray course to fine grain banding. | West central Washington | Deep Lake Formation | |
Deschutes Jasper AKA: Dechutes Canyon Jasper |
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Brown tones, but has tight banding not forming "landscape" patterns | South central Washington | ||
Dollar Watch Pass Obsidian |
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Black | North central Washington | ||
Elk Pass Obsidian |
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Black | Southwestern Washington | ||
Ellensburg Blue
Chalcedony AKA: Crystal Mountain, Red Top Mountain, and Peoh Point Agate |
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Ranges from a light sky blue to a cornflower blue. | West central Washington | ||
Fryite Jasper |
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Shades of tans, grays, and blues. | Southeastern Washington | ||
Hosko Obsidian AKA: Brooks Park, Brooks Memorial State Park Obsidian |
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Black | South central Washington | ||
Hozomeen Chert / Jasper |
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Commonly as banded, mottled but solid colors do occur ranging from dark gray to black, light gray to light bluish-gray or medium gray, pink, and white. | North central Washington | Hozomeen Series | |
Hozomeen Jasper |
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Ranges from red to shades of reddish brown with white quartz veins forming a crisscross pattern. | North central Washington | Hozomeen Series | |
Independence Chert |
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Ranges from a dark gray to black and commonly has red or rusty staining. | North central Washington | Independence Formation |
Indian Rock Obsidian |
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Black | South central Washington | ||
Lake Corral Obsidian |
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Black | Southwestern Washington | ||
Obsidian AKA: Volcanic Glass |
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Black to black with bands of dark reds (mahogany obsidian) or white flakes (snowflake obsidian) | Washington | Volcanic | |
Peshastin Chert |
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Black | East central Washington | Peshastin Formation |
Petrified Wood AKA: Agatized Wood, Opalized Wood |
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Vary in color based on the minerals present during the process | Washington | Varies | |
Princeton Chert AKA: Allenby Formation Chert |
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North central Washington | Allenby Formation | |
Rhyolite |
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Gray to grayish black, flow banding may be present alternating from light to darker gray | Washington | Volcanic Activity | |
Rocky Butte Jasper |
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Shades of brown, tans, pink, yellow, blue, and green | Southwestern Washington | ||
Roosevelt Petrified Wood |
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White outer cortex with shades of white, tan and brown. Wood rings and grains are present. | South central Washington, | ||
Saddle Mountain
Petrified Wood AKA: Lower Crab Creek Petrified Wood |
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Shades of white, tan, brown and may have colors of a sky blue to a deep blue color. Rings and wood grain may be present. | Central Washington | Frenchman Springs Member Basalt Formation. | |
Shoemaker Chert |
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Light colored buff, pink, gray and green. | North central Washington | Shoemaker Formation |
Springbrook Chert |
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Dark gray to black | North central Washington | Springbrook Formation |
Squaw Creek
Petrified Wood AKA: Badger Pocket Petrified Wood |
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Shaded of tan and browns, less commonly shades of blue with wood grain and rings commonly present | Central Washington | Columbia River Basalts | |
Status Creek Obsidian |
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Black | South central Washington | ||
Sunnyside
Petrified Wood AKA: Rattlesnake Hills Petrified Wood |
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White cortex with shades of white, tan, brown, gray, and black in the interior. | South central Washington | ||
Tahoma Agate |
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Shades of white, tan and brown.
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North central Washington | ||
Tamihy Quartzite |
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Ranges from dark charcoal gray to black. | Northwestern Washington, | ||
Top of the World Chert |
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Mottled or irregular banding ranging from white to light or medium gray with dendritic inclusions being present. . | Northeastern Washington | Beaverfoot Formation |
Tuff AKA: Solidified Volcanic Ash |
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Contains greater than 75 volcanic ash and ranges from white to tan, gray or pink. | Washington | Volcanic activity | |
Vantage Petrified
Wood AKA: Ginko Petrified Wood, Whiskey Dick Petrified Wood |
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Shaded of tan and browns with wood grain and rings commonly present. | South central Washington | Wanapum Basalt Formation | |
Yakima Canyon Petrified Wood |
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White chalky cortex with shades of browns, tans, and whites. Wood grain and rings are commonly present | Central Washington | Grande Ronde Basalts | |
Yakima Ridge Petrified Wood |
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White chalky cortex with shades of browns, tans, and whites. Wood grain and rings are commonly present | Central Washington | Frenchman Springs Member of the Wanapum Basalt Formation |